From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 20:07:14 +0200
Subject: Adding upstream version 1:10.5.12.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 mysys/my_wincond.c | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 mysys/my_wincond.c

(limited to 'mysys/my_wincond.c')

diff --git a/mysys/my_wincond.c b/mysys/my_wincond.c
new file mode 100644
index 00000000..64c48c5a
--- /dev/null
+++ b/mysys/my_wincond.c
@@ -0,0 +1,114 @@
+/* Copyright (c) 2000, 2014, Oracle and/or its affiliates.
+   Copyright (c) 2011, 2016, MariaDB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+/*****************************************************************************
+** The following is a simple implementation of posix conditions
+*****************************************************************************/
+#if defined(_WIN32)
+
+#undef SAFE_MUTEX			/* Avoid safe_mutex redefinitions */
+#include "mysys_priv.h"
+#include <m_string.h>
+#include <process.h>
+#include <sys/timeb.h>
+
+
+/**
+  Convert abstime to milliseconds
+*/
+
+static DWORD get_milliseconds(const struct timespec *abstime)
+{
+  struct timespec current_time;
+  long long ms;
+
+  if (abstime == NULL)
+    return INFINITE;
+
+  set_timespec_nsec(current_time, 0);
+  ms= (abstime->tv_sec - current_time.tv_sec)*1000LL +
+    (abstime->tv_nsec - current_time.tv_nsec)/1000000LL;
+  if(ms < 0 )
+    ms= 0;
+  if(ms > UINT_MAX)
+    ms= INFINITE;
+  return (DWORD)ms;
+}
+
+int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
+{
+  InitializeConditionVariable(cond);
+  return 0;
+}
+
+
+int pthread_cond_destroy(pthread_cond_t *cond)
+{
+  return 0;
+}
+
+
+int pthread_cond_broadcast(pthread_cond_t *cond)
+{
+  WakeAllConditionVariable(cond);
+  return 0;
+}
+
+
+int pthread_cond_signal(pthread_cond_t *cond)
+{
+  WakeConditionVariable(cond);
+  return 0;
+}
+
+
+int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
+  const struct timespec *abstime)
+{
+  DWORD timeout= get_milliseconds(abstime);
+  if (!SleepConditionVariableCS(cond, mutex, timeout))
+    return ETIMEDOUT;
+  return 0;  
+}
+
+
+int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
+{
+  return pthread_cond_timedwait(cond, mutex, NULL);
+}
+
+
+int pthread_attr_init(pthread_attr_t *connect_att)
+{
+  connect_att->dwStackSize	= 0;
+  connect_att->dwCreatingFlag	= 0;
+  return 0;
+}
+
+int pthread_attr_setstacksize(pthread_attr_t *connect_att,size_t stack)
+{
+  DBUG_ASSERT(stack < UINT_MAX);
+  connect_att->dwStackSize=(DWORD)stack;
+  return 0;
+}
+
+int pthread_attr_destroy(pthread_attr_t *connect_att)
+{
+  bzero((uchar*) connect_att,sizeof(*connect_att));
+  return 0;
+}
+
+#endif /* __WIN__ */
-- 
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